Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8959699 | Mop head fixation device and method | Andrew M. Bober, Eric R. Evenson, Daniel S. Pica, Axel Schmitz, Alfred Widmer +3 more | 2015-02-24 |
| 8464391 | Mop head fixation device and method | Andrew M. Bober, Eric R. Evenson, Daniel S. Pica, Axel Schmitz, Alfred Widmer +3 more | 2013-06-18 |